Home / 23,111.37-31,835.57-21,410.37

Finding the Fourth Proportional to 23,111.37, 31,835.57 and 21,410.37

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Solution

The fourth proportional to 23,111.37, 31,835.57 and 21,410.37 is: 29,492.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,111.37 : 31,835.57 = 21,410.37 : x
  2. Step 2: Convert to fraction form
    23,111.37/31,835.57 = 21,410.37/x
  3. Step 3: Cross multiply
    23,111.37x = 31,835.57 × 21,410.37
  4. Step 4: Simplify right side
    23,111.37x = 681,611,225.81
  5. Step 5: Solve for x
    x = 681,611,225.81/23,111.37
  6. Step 6: Final answer
    x = 29,492.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.